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| author | Trond Myklebust <trond.myklebust@primarydata.com> | 2017-08-16 15:30:35 -0400 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@primarydata.com> | 2017-08-18 14:45:04 -0400 |
| commit | ce7c252a8c741aba7c38f817b86e34361f561e42 (patch) | |
| tree | 4e90fa24a74ac7f8ecfcf1ddc1be735e64aa43cc /net/sunrpc/svcsock.c | |
| parent | 040249dfbeed9dd553fd323ef4b42c7a3270898b (diff) | |
| download | linux-ce7c252a8c741aba7c38f817b86e34361f561e42.tar.gz linux-ce7c252a8c741aba7c38f817b86e34361f561e42.tar.bz2 linux-ce7c252a8c741aba7c38f817b86e34361f561e42.zip | |
SUNRPC: Add a separate spinlock to protect the RPC request receive list
This further reduces contention with the transport_lock, and allows us
to convert to using a non-bh-safe spinlock, since the list is now never
accessed from a bh context.
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Diffstat (limited to 'net/sunrpc/svcsock.c')
| -rw-r--r-- | net/sunrpc/svcsock.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c index 2b720fa35c4f..272063ca81e8 100644 --- a/net/sunrpc/svcsock.c +++ b/net/sunrpc/svcsock.c @@ -1001,7 +1001,7 @@ static int receive_cb_reply(struct svc_sock *svsk, struct svc_rqst *rqstp) if (!bc_xprt) return -EAGAIN; - spin_lock_bh(&bc_xprt->transport_lock); + spin_lock(&bc_xprt->recv_lock); req = xprt_lookup_rqst(bc_xprt, xid); if (!req) goto unlock_notfound; @@ -1019,7 +1019,7 @@ static int receive_cb_reply(struct svc_sock *svsk, struct svc_rqst *rqstp) memcpy(dst->iov_base, src->iov_base, src->iov_len); xprt_complete_rqst(req->rq_task, rqstp->rq_arg.len); rqstp->rq_arg.len = 0; - spin_unlock_bh(&bc_xprt->transport_lock); + spin_unlock(&bc_xprt->recv_lock); return 0; unlock_notfound: printk(KERN_NOTICE @@ -1028,7 +1028,7 @@ unlock_notfound: __func__, ntohl(calldir), bc_xprt, ntohl(xid)); unlock_eagain: - spin_unlock_bh(&bc_xprt->transport_lock); + spin_unlock(&bc_xprt->recv_lock); return -EAGAIN; } |